Quality Used 7DCT220 Dual Clutch Transmission Assembly OE 1700010VD04 GA4GA12TD for Bestune T77 1.2T DCT Gearbox factory

Used 7DCT220 Dual Clutch Transmission Assembly OE 1700010VD04 GA4GA12TD for Bestune T77 1.2T DCT Gearbox

Name: Used 7DCT220 Dual Clutch Transmission Assembly OE 1700010VD04 GA4GA12TD for Bestune T77 1.2T DCT Gearbox
Brand: Guangzhou Meishun Automatic Transmission Co., Ltd.
SKU: 7DCT220
Availability: InStock

Product Summary

1. Product Overview This used complete 7DCT220 7-speed wet dual clutch transmission assembly fits Bestune T77 equipped with 1.2T turbo engine, corresponding OE codes 1700010VD04 and GA4GA12TD. Every gearbox is fully cleaned, inspected for cracks, oil leakage and internal wear. After comprehensive ...

Basic Properties

Place of Origin: Guangdong, China

Brand Name: OEM

Model Number: 7DCT220

Trading Properties

Minimum Order Quantity: 1 pc

Payment Terms: T/T

Supply Ability: 1000 pcs

Tags:

auto transmission gearbox

cvt transmission gearbox

auto transmission assembly

Product Description

1. Product Overview

This used complete 7DCT220 7-speed wet dual clutch transmission assembly fits Bestune T77 equipped with 1.2T turbo engine, corresponding OE codes 1700010VD04 and GA4GA12TD.

Every gearbox is fully cleaned, inspected for cracks, oil leakage and internal wear. After comprehensive assembly check, each unit undergoes bench dynamic testing to confirm gear shifting smoothness, hydraulic stability and noise condition.

It solves common faults including gear shifting jerk, slipping, refusal to shift, abnormal internal noise and transmission fault codes. Ready for direct vehicle installation, shortening overhaul cycle for repair workshops.

2. Fitment Parameter Table

Specification	Details
Gearbox Model	7DCT220 Wet 7-Speed DCT
OE No.	1700010VD04, GA4GA12TD
Applicable Vehicle	Bestune T77
Matching Engine	1.2T Turbo
Transmission Type	Wet Dual Clutch DCT

3. Inspection & Testing Standard For Used Gearbox

External visual inspection: Check housing for cracks, impact deformation and oil leakage traces.
Internal disassembly spot check: Inspect gears, synchronizers, bearings, clutch assembly for excessive wear and damage.
Ultrasonic cleaning: Clear oil sludge and metal debris inside oil passages and valve body.
Replacement of damaged small parts: Replace failed seals, gaskets and worn bearings with new spare parts if needed.
Dynamic bench test: Simulate vehicle load to test all gear shifts, hydraulic pressure, abnormal noise and tightness.

4. Core Product Advantages

Strict Pre-shipment Bench Testing

All gearboxes pass dynamic bench inspection before delivery, effectively reducing hidden failure risks after installation.

Direct Plug-and-Play Assembly

Complete transmission unit, no large-scale modification required, saving labor time for repair garages.

Supporting Parts Supply

We supply matching 7DCT220 clutch kits, overhaul kits and valve bodies, supporting mixed consolidated orders.

Flexible Wholesale Policy

1 unit minimum trial order. Volume-based tiered discount for bulk orders. Neutral shockproof wooden case packaging. Negotiable warranty terms for long-term overseas wholesale partners.

5. Professional Installation Tips

Check transmission mounting brackets, wiring harness and cooling pipelines of Bestune T77 before installation.
Install the whole gearbox correctly, fasten all bolts according to OEM torque standard.
Fill with specified DCT dedicated transmission fluid; ordinary ATF oil is prohibited.
Complete TCU adaptive learning and clutch reset with professional diagnostic instrument after installation.
Perform road test to confirm smooth shifting, no abnormal noise, no oil leakage and no fault codes.

6. Factory Strength Introduction

Our company supplies various used and remanufactured automatic and dual clutch transmission assemblies, together with full range of transmission spare parts including clutch kits, valve bodies and overhaul kits.

We own professional inspection workshop and transmission bench test equipment. We supply domestic and overseas transmission repair centers and auto parts wholesalers. We maintain stable stock for mainstream Chinese brand gearbox models, offer fast delivery and professional English technical after-sales support.

7. FAQ

Question 1

Question: 7DCT220 and 7DCT330 look similar externally, with different clutch torque capacity and input shaft dimensions. Can these two gearboxes be directly interchanged?

Answer: Direct interchange is unavailable. Although their outer housings are alike, they differ greatly in internal clutch assembly, input shaft and TCU matching parameters. Forced installation will lead to shift disorder and frequent fault codes. Please send us the vehicle VIN to confirm the exact gearbox model before ordering to avoid repair losses for local garages.

Question 2

Question: What pre-processing upgrades can you provide for the 7DCT220 gearbox, such as thorough cleaning and full replacement of sealing parts? How much extra cost will each unit incur?

Answer: We offer optional deep overhaul service. We will fully disassemble, clean the gearbox and replace all seals, bearings and gaskets with new spare parts. The extra cost per unit depends on the scope of renewal. We can provide a detailed quotation once you confirm the upgrade standard, and this scheme effectively reduces after-sales risks.

Question 3

Question: After installing the 7DCT220 gearbox, must we carry out TCU clutch adaptive reset? Is there any alternative solution if repair shops do not have dedicated diagnostic equipment?

Answer: TCU adaptive reset is mandatory after installation. Without professional diagnostic tools, simple road test learning cannot complete full calibration, which easily causes persistent shifting jerk. We supply detailed English operation documents. If technicians still encounter problems, our English technical team can provide remote video guidance.

Used 7DCT220 Dual Clutch Transmission Assembly OE 1700010VD04 GA4GA12TD for Bestune T77 1.2T DCT Gearbox